679953 has 16 divisors (see below), whose sum is σ = 972800. Its totient is φ = 421200.

The previous prime is 679951. The next prime is 679957. The reversal of 679953 is 359976.

It is not a de Polignac number, because 679953 - 2¹ = 679951 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (679951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4428 + ... + 4578.

It is an arithmetic number, because the mean of its divisors is an integer number (60800).

2⁶⁷⁹⁹⁵³ is an apocalyptic number.

It is an amenable number.

679953 is a deficient number, since it is larger than the sum of its proper divisors (292847).

679953 is a wasteful number, since it uses less digits than its factorization.

679953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252.

The product of its digits is 51030, while the sum is 39.

The square root of 679953 is about 824.5926266951. The cubic root of 679953 is about 87.9345674063.

The spelling of 679953 in words is "six hundred seventy-nine thousand, nine hundred fifty-three".